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A [[chemical element]], in the [[periodic table]] vanadium has the symbol V and atom number 23. Discovered by [[Nils Gabriel Sefström|Sefström]] in 1830.
Vanadium is a [[metal]] used in [[alloy]]s with [[iron]] and [[chromium]] to form [[stainless steel]]. In biology, a vanadium atom is an essential component of some [[enzyme]]s, particularly the vanadium nitrogenase used by some [[nitrogen fixation|nitrogen-fixing]] microorganisms.
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